mH2OH2OH2O = 45 г
mNaOHNaOHNaOH = 5 г
ωNaOHNaOHNaOH - ?
mрастворарастворараствора = mNaOHNaOHNaOH + mH2OH2OH2O = 5 + 45 = 50ггг
ωNaOHNaOHNaOH = m(NaOH)/m(раствора)m(NaOH)/m(раствора)m(NaOH)/m(раствора)*100% = 5/505/505/50*100% = 10%
Ответ: ωNaOHNaOHNaOH = 10%
mH2OH2OH2O = 45 г
mNaOHNaOHNaOH = 5 г
ωNaOHNaOHNaOH - ?
mрастворарастворараствора = mNaOHNaOHNaOH + mH2OH2OH2O = 5 + 45 = 50ггг
ωNaOHNaOHNaOH = m(NaOH)/m(раствора)m(NaOH)/m(раствора)m(NaOH)/m(раствора)*100% = 5/505/505/50*100% = 10%
Ответ: ωNaOHNaOHNaOH = 10%